"Eggshells are thought to be good sources of calcium, with almost double the recommended daily calcium in one egg shell. There have also been studies which found that egg shell powder could be useful for bone health and even reducing the pain of osteoporosis."

Is it harmful to eat egg shells?

When prepared correctly, eggshell powder is considered safe. ... Second, eggshells may be contaminated with bacteria, such as Salmonella enteritidis. To avoid the risk of food poisoning, make sure to boil eggs before eating their shell ( 18 , 19 ).

What is the health benefit of egg shell?

A single eggshell contains 2.07 ± 0.18 g of calcium; therefore half an eggshell could provide the amount of calcium needed by adult human beings per day. Thanks to its high calcium levels, it could also be used in the prevention and treatment of osteoporosis.